A093412 - cp's OEIS frontend

A093412 Triangle read by rows: a(n, k) is the numerator of (n + (n-1) + ... + (n-k+1))/(1 + 2 + ... + k), 0 < k <= n.

n	a(n)
1	1
2	2
3	1
4	3
5	5
6	1
7	4
8	7
9	3
10	1
11	5
12	3
13	2
14	7
15	1
16	6
17	11
18	5
19	9
20	4
21	1
22	7
23	13
24	3
25	11
26	5
27	9
28	1
29	8
30	5
31	7
32	13
33	2
34	11
35	5
36	1
37	9
38	17
39	4
40	3
41	7
42	13
43	3
44	11
45	1
46	10
47	19
48	9
49	17
50	8
51	15
52	7
53	13
54	6
55	1
56	11
57	7
58	5
59	19
60	3
61	17
62	2
63	5
64	7
65	13
66	1
67	12
68	23
69	11
70	21
71	10
72	19
73	9
74	17
75	8
76	15
77	7
78	1
79	13
80	25
81	6
82	23
83	11
84	3
85	5
86	19
87	9
88	17
89	4

[1, 2, 1, 3, 5, 1, 4, 7, 3, 1, 5, 3, 2, 7, 1, 6, 11, 5, 9, 4, 1, 7, 13, 3, 11, 5, 9, 1, 8, 5, 7, 13, 2, 11, 5, 1, 9, 17, 4, 3, 7, 13, 3, 11, 1, 10, 19, 9, 17, 8, 15, 7, 13, 6, 1, 11, 7, 5, 19, 3, 17, 2, 5, 7, 13, 1, 12, 23, 11, 21, 10, 19, 9, 17, 8, 15, 7, 1, 13, 25, 6, 23, 11, 3, 5, 19, 9, 17, 4]

cp's OEIS Frontend

A093412 Triangle read by rows: a(n, k) is the numerator of (n + (n-1) + ... + (n-k+1))/(1 + 2 + ... + k), 0 < k <= n.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	5
6	1
7	4
8	7
9	3
10	1
11	5
12	3
13	2
14	7
15	1
16	6
17	11
18	5
19	9
20	4
21	1
22	7
23	13
24	3
25	11
26	5
27	9
28	1
29	8
30	5
31	7
32	13
33	2
34	11
35	5
36	1
37	9
38	17
39	4
40	3
41	7
42	13
43	3
44	11
45	1
46	10
47	19
48	9
49	17
50	8
51	15
52	7
53	13
54	6
55	1
56	11
57	7
58	5
59	19
60	3
61	17
62	2
63	5
64	7
65	13
66	1
67	12
68	23
69	11
70	21
71	10
72	19
73	9
74	17
75	8
76	15
77	7
78	1
79	13
80	25
81	6
82	23
83	11
84	3
85	5
86	19
87	9
88	17
89	4

n	a(n)
1	1
2	2
3	1
4	3
5	5
6	1
7	4
8	7
9	3
10	1
11	5
12	3
13	2
14	7
15	1
16	6
17	11
18	5
19	9
20	4
21	1
22	7
23	13
24	3
25	11
26	5
27	9
28	1
29	8
30	5
31	7
32	13
33	2
34	11
35	5
36	1
37	9
38	17
39	4
40	3
41	7
42	13
43	3
44	11
45	1
46	10
47	19
48	9
49	17
50	8
51	15
52	7
53	13
54	6
55	1
56	11
57	7
58	5
59	19
60	3
61	17
62	2
63	5
64	7
65	13
66	1
67	12
68	23
69	11
70	21
71	10
72	19
73	9
74	17
75	8
76	15
77	7
78	1
79	13
80	25
81	6
82	23
83	11
84	3
85	5
86	19
87	9
88	17
89	4

n	a(n)
1	1
2	2
3	1
4	3
5	5
6	1
7	4
8	7
9	3
10	1
11	5
12	3
13	2
14	7
15	1
16	6
17	11
18	5
19	9
20	4
21	1
22	7
23	13
24	3
25	11
26	5
27	9
28	1
29	8
30	5
31	7
32	13
33	2
34	11
35	5
36	1
37	9
38	17
39	4
40	3
41	7
42	13
43	3
44	11
45	1
46	10
47	19
48	9
49	17
50	8
51	15
52	7
53	13
54	6
55	1
56	11
57	7
58	5
59	19
60	3
61	17
62	2
63	5
64	7
65	13
66	1
67	12
68	23
69	11
70	21
71	10
72	19
73	9
74	17
75	8
76	15
77	7
78	1
79	13
80	25
81	6
82	23
83	11
84	3
85	5
86	19
87	9
88	17
89	4